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Finding the Fourth Proportional to 526,522.72, 789,902.99 and 166,715.43

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Solution

The fourth proportional to 526,522.72, 789,902.99 and 166,715.43 is: 250,110.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,522.72 : 789,902.99 = 166,715.43 : x
  2. Step 2: Convert to fraction form
    526,522.72/789,902.99 = 166,715.43/x
  3. Step 3: Cross multiply
    526,522.72x = 789,902.99 × 166,715.43
  4. Step 4: Simplify right side
    526,522.72x = 131,689,014,576.41
  5. Step 5: Solve for x
    x = 131,689,014,576.41/526,522.72
  6. Step 6: Final answer
    x = 250,110.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.